Soil parameters

2014 (n = 15)

2019 (n = 16)

Moisture content (%)

0.80 ± 0.25 a

4.63 ± 1.12 b

pH

8.64 ± 0.49 a

8.67 ± 0.17 a

Electric conductivity (mS m⁻¹)

5.34 ± 1.51 a

8.26 ± 1.70 b

Total carbon (g kg⁻¹)

2.68 ± 1.20 a

5.11 ± 1.47 b

Total nitrogen (g kg⁻¹)

0.26 ± 0.06 a

0.42 ± 0.10 b

Coarse sand (%)

67.2 ± 11.2 a

63.0 ± 5.9 a

Fine sand (%)

27.2 ± 10.5 a

31.4 ± 5.5 a

Silt (%)

1.3 ± 0.7 a

1.42 ± 0.54 a

Clay (%)

3.7 ± 1.4 a

4.15 ± 1.45 a

CEC (cmolc kg⁻¹)

2.32 ± 0.44 a

3.05 ± 0.54 b

Exchangeable Ca²⁺ (cmol_c kg⁻¹)

7.33 ± 4.66 a

13.3 ± 8.51 b

Exchangeable Mg²⁺ (cmol_c kg⁻¹)

1.80 ± 1.59 a

2.46 ± 1.78 a

Exchangeable K⁺ (cmol_c kg⁻¹)

0.22 ± 0.06 a

0.46 ± 0.15 b

Exchangeable Na⁺ (cmol_c kg⁻¹)

0.08 ± 0.01 a

0.05 ± 0.02 b

Base saturation (%)

381.5 ± 194.1 a

588.4 ± 254.3 a